Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 9 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/25/2021   06:33:12   (  -0.11, -75.19) (   0.23, -76.61)  161.47                80
 09/26/2021   06:11:49   (  -0.11, -75.19) (  -0.84, -72.09)  354.85                80
 09/27/2021   18:33:45   (   0.11, -75.20) (  -0.38, -77.38)  248.76                80
 09/28/2021   18:17:40   (   0.11, -75.20) (   0.62, -72.85)  267.88                80
 09/30/2021   06:39:29   (  -0.11, -75.21) (   0.55, -78.12)  332.33                80
 10/01/2021   06:18:04   (  -0.12, -75.21) (  -0.46, -73.59)  184.37                80
 10/02/2021   18:42:42   (   0.11, -75.22) (  -0.69, -78.90)  418.60                80
 10/03/2021   18:21:17   (   0.12, -75.23) (   0.31, -74.36)   98.67                80
 10/06/2021   06:24:21   (  -0.12, -75.26) (  -0.15, -75.10)   17.36                80